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тАО07-22-2005 08:25 AM
тАО07-22-2005 08:25 AM
Panic during boot; scrolls by too quickly too read
I'm trying to boot from the OpenVMS console into Digital Unix 4.0f, but there is a panic during what I think is the PCI device configuration (after a monitor resolution change), and I get a halt request with a code of 5.
Is there a way to scroll lock / pause or otherwise get a readable log of the boot process? It flashes by way too quickly.
I don't want to reinstall the OS, but I can successfully boot off the installation CD.
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тАО07-22-2005 08:36 AM
тАО07-22-2005 08:36 AM
Re: Panic during boot; scrolls by too quickly too read
you can try to leave the installation procedure and then mount the system disk and look into messages.
greetings,
Michael
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тАО07-22-2005 08:47 AM
тАО07-22-2005 08:47 AM
Re: Panic during boot; scrolls by too quickly too read
Is it the case that once booting off the disk has started (reading vmlinux) that the boot process can write to the filesystem on the disk?
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тАО07-22-2005 09:01 AM
тАО07-22-2005 09:01 AM
Re: Panic during boot; scrolls by too quickly too read
b -fi genvmunix
Has this worked before?
Michael
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тАО07-22-2005 09:11 AM
тАО07-22-2005 09:11 AM
Re: Panic during boot; scrolls by too quickly too read
I tried your suggestion, and used generic kernel genvmunix, but the same sequence of events happened.
There are at least two PCI devices that 'cannot be configured.'
It looks like I will have to do at least a partial reinstall, if such a thing is possible.
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тАО07-22-2005 09:17 AM
тАО07-22-2005 09:17 AM
Re: Panic during boot; scrolls by too quickly too read
>>> show OS_TYPE
>>> set OS_TYPE UNIX
Verify that the boot options are a
>>> show BOOTOS_FLAGS
>>> set bootos_flags a
Try booting the genvmunix kernel
>>> boot -fi genvmunix -fl s
If you want to see what is happening, you can connect a terminal emulator to the serial port 1 and set the console to serial
>>> set console serial
Then change it again to graphics
>>> set console graphics
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тАО07-25-2005 03:45 AM
тАО07-25-2005 03:45 AM
Re: Panic during boot; scrolls by too quickly too read
I've had this happen, but it's been a while, so bear with me. At the >>>show dev and find out your boot/root file system (I need to write them down). Now boot from the Install CD and use the shell option button. Once you have a shell prompt, mount the root file system
(#mount -t UFS /dev/rz?? /mnt)
and you can navigate to /mnt/usr/var/X11/ and modify Xserver.conf. Look for the -screen argument and set it to the appropriate monitor resolution (1280x1024). You can use the Xserver man page to verify settings and syntax. You typically won't have this problem with CDE. However, you may want to check the date on /usr/dt/config/Xsetup. This is more of a solution for the original problem.
To get the panic message you can change the CONSOLE variable to SERIAL (>>>set console serial) and you can then set the baud on the port (>>>set com1_baud 9600). You will also need to >>>init before the settings kick in. You can now connect a laptop or PC to the COM1 port of the server, set a buffer of approriate size in Hyperterm or some terminal program, and use this to boot the system and examine the messages.
I hope this helps in some way. Good luck!
Kris